15356877720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{64019}}^1$

素因数の和:66032

約数の個数: 64

約数和(自身を含む): 46094400000

約数和(自身を除く): 30737522280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1999, 3998, 5997, 7996, 9995, 11994, 15992, 19990, 23988, 29985, 39980, 47976, 59970, 64019, 79960, 119940, 128038, 192057, 239880, 256076, 320095, 384114, 512152, 640190, 768228, 960285, 1280380, 1536456, 1920570, 2560760, 3841140, 7682280, 127973981, 255947962, 383921943, 511895924, 639869905, 767843886, 1023791848, 1279739810, 1535687772, 1919609715, 2559479620, 3071375544, 3839219430, 5118959240, 7678438860, 15356877720]

約数ペア:

[(1, 15356877720), (2, 7678438860), (3, 5118959240), (4, 3839219430), (5, 3071375544), (6, 2559479620), (8, 1919609715), (10, 1535687772), (12, 1279739810), (15, 1023791848), (20, 767843886), (24, 639869905), (30, 511895924), (40, 383921943), (60, 255947962), (120, 127973981), (1999, 7682280), (3998, 3841140), (5997, 2560760), (7996, 1920570), (9995, 1536456), (11994, 1280380), (15992, 960285), (19990, 768228), (23988, 640190), (29985, 512152), (39980, 384114), (47976, 320095), (59970, 256076), (64019, 239880), (79960, 192057), (119940, 128038)]